<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<script type="text/javascript">
		let class1 =[
		{title:"这是1",count:8},
		{title:"这是2",count:3},
		{title:"这是3",count:5}
		]
		// let class = ["ke","ming"]
		// console.log()
		for (let key in class1){
			console.log(item)
			// console.log(i.title,i.count)
		}
	</script>
</body>
</html>